81007680

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{6491}}^1$

素因数の和:6524

約数の個数: 112

約数和(自身を含む): 277026624

約数和(自身を除く): 196018944

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 32, 39, 40, 48, 52, 60, 64, 65, 78, 80, 96, 104, 120, 130, 156, 160, 192, 195, 208, 240, 260, 312, 320, 390, 416, 480, 520, 624, 780, 832, 960, 1040, 1248, 1560, 2080, 2496, 3120, 4160, 6240, 6491, 12480, 12982, 19473, 25964, 32455, 38946, 51928, 64910, 77892, 84383, 97365, 103856, 129820, 155784, 168766, 194730, 207712, 253149, 259640, 311568, 337532, 389460, 415424, 421915, 506298, 519280, 623136, 675064, 778920, 843830, 1012596, 1038560, 1246272, 1265745, 1350128, 1557840, 1687660, 2025192, 2077120, 2531490, 2700256, 3115680, 3375320, 4050384, 5062980, 5400512, 6231360, 6750640, 8100768, 10125960, 13501280, 16201536, 20251920, 27002560, 40503840, 81007680]

約数ペア:

[(1, 81007680), (2, 40503840), (3, 27002560), (4, 20251920), (5, 16201536), (6, 13501280), (8, 10125960), (10, 8100768), (12, 6750640), (13, 6231360), (15, 5400512), (16, 5062980), (20, 4050384), (24, 3375320), (26, 3115680), (30, 2700256), (32, 2531490), (39, 2077120), (40, 2025192), (48, 1687660), (52, 1557840), (60, 1350128), (64, 1265745), (65, 1246272), (78, 1038560), (80, 1012596), (96, 843830), (104, 778920), (120, 675064), (130, 623136), (156, 519280), (160, 506298), (192, 421915), (195, 415424), (208, 389460), (240, 337532), (260, 311568), (312, 259640), (320, 253149), (390, 207712), (416, 194730), (480, 168766), (520, 155784), (624, 129820), (780, 103856), (832, 97365), (960, 84383), (1040, 77892), (1248, 64910), (1560, 51928), (2080, 38946), (2496, 32455), (3120, 25964), (4160, 19473), (6240, 12982), (6491, 12480)]